根据短文内容及首字母提示，在短文的空白处填上所缺的单词，使短文的意思连贯、完整。

       My middle school's student rules are very s  1  , but I think they are very good. O  2  the rules is

everyone's duty. Rules keep students from having fights, skipping classes, smoking, and destroying

public property. A number of students' thoughts are very bad. They like to destroy p  3  property. For

example, they break the water pipes in the m 4   room. None of the men's rooms in this school have

intact windows because some students like to break them! These are bad boys, doing evil things!

       But, m  5   of the students can observe the rules. The rules are enforced by punishment.

       F  6  instance, the first time you get into a fight at school, they'll let your p  7  come and bring you

home. The s  8   time, they kick you out of school and you have to transfer to another school!

       I like the student rules at my middle school, because the rules m  9  the school more peaceful and

quiet. They make it a better environment for s 10  .